118146 has 32 divisors (see below), whose sum is σ = 282240. Its totient is φ = 32256.

The previous prime is 118127. The next prime is 118147. The reversal of 118146 is 641811.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 118146.

It is not an unprimeable number, because it can be changed into a prime (118147) by changing a digit.

118146 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1170 + ... + 1266.

It is an arithmetic number, because the mean of its divisors is an integer number (8820).

2¹¹⁸¹⁴⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141120).

118146 is an abundant number, since it is smaller than the sum of its proper divisors (164094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118146 is a wasteful number, since it uses less digits than its factorization.

118146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138.

The product of its digits is 192, while the sum is 21.

The square root of 118146 is about 343.7237262686. The cubic root of 118146 is about 49.0689020950.

Adding to 118146 its reverse (641811), we get a palindrome (759957).

The spelling of 118146 in words is "one hundred eighteen thousand, one hundred forty-six".